Panasonic TC-L42D30 Quick start guide

1
Title Page1
Panasonic National Training
Panasonic Service and Technology Company
2011 LCD TV Technical Guide
2011-LCD HD/FHD TV
TC-L42D30
TC-L37DT30
TC-L32DT30
TC-L42E30
TC-L42E3
TC-L37E3
TC-L32E3
TC-L19C30
Applies to models:
TTG110708JM

2
Prepared by
Jean Magloire
Panasonic Service and Technology Company
National Training
Warning
This service information is designed for experienced repair technicians only and is not designed for use by the
general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in
attempting to service a product. Products powered by electricity should be serviced or repaired only by
experienced professional technicians. Any attempt to service or repair the product or products dealt with in this
service information by anyone else could result in serious injury or death.
Copyright © 2011 by Panasonic Service and Technology Company
All rights reserved. Unauthorized copying and distribution is a violation of law.
"HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.“
Warning

3
Table of Contents
Content Page Content Page
Topics 4Audio Process Circuit 43
New Panel for 2011 - IPS LED LCD 5SOS Detect (Shutdown) 44
Highlights 6TC-L37DT30 Power LED Diagnostic Codes 45
2D-3D Conversion 10 TC-L37DT30 Shutdown Circuit Block Diagram 46
2011 Series/Models 11 TC-L42D30 Power LED Diagnostic Codes 47
2011 DT30 Series 12 Protection Circuit (TC-L32/37DT30,TC-L42D30) 48
2011 LCD TV Specifications (1) 13 One Blink of The power LED (TC-L37DT30) 49
2011 LCD TV Specifications (2) 14 Seven Blinks of The power LED (TC-L37DT30) 50
TC-L37DT30 Board Layout 15 Nine Blinks of The Power LED (TC-L37DT30) 51
TC-L37DT30 Connectors 16 10, 13 and 14 Blinks of The Power LED (TC-L37DT30) 52
TC-L37DT30 T-CON & LED Driver 17 Protection Circuit (TC-L42E3) 53
TC-L42D30 Board Layout 18 Protection Circuit (TC-L37E3/L32E3 and TC-L32X30) 54
TC-L42D30 Connectors 19 Protection Circuit (TC-L42E30) 55
TC-L42D30 P Board 20 Nile-T-CON SOS Detection 56
TC-L42D30 A Board 21 Protection Circuit (TC-L42U30) 57
TC-L42D30 LD Board (LED Driver) 22 Protection Circuit (TC-L37U3) 58
TC-L37DT30 Standby Power (1) 23 IC4700 Block Diagram 60
TC-L37DT30 Power On Operation 28 TC-L42D30 Service Mode 61
TC-L37DT30 Voltage Distribution 30 How to Enter the Service Mode’s SRV-TOOL 62
TC-L42E3 LED Backlight Control 32 TC-L42D30 How to Enter the Self-check Mode 63
TC-L37E3 LED Backlight Power Circuit 34 Troubleshooting Picture Problem 64
TC-L42D30 LED Backlight Power Circuit 36 Panel Free Run Mode 73
TC-L37DT30 CPU Commands Explanation 38 Data Copy using SD Card 74
TC-L37DT30 Video Input and Process 39 Glossary 78
TC-L37DT30 Eyewear Control Signal 41

4
Topics
1. Features
2. Start-up Operation
A) Stand by Operation
B) Power On Operation
C) Voltage Distribution
3. Signal process Circuit
A) Video Signal
B) Audio Signal
4. SOS Detect
5. Service Notes
A) Service Mode
B) SRV-TOOL
C) Self check
6. Troubleshooting
7. Data Copy Function (SD card)
7. Glossary

5
New Panel for 2011 - IPS LED LCD

6
Highlights

7
The New World of Smart VIERA

8
Concept of the IPTV World

9
Evolution of the IPTV World and Its Future Expansion

10
2D-3D Conversion